Great for both beginners and professionals. Sharp objects contained, keep out of the reach of children. Use with push pins offered, it helps you easily arrange the straight lines and right angle, perfectly keep the stained glass stable and tight in place while soldering. Layout Block System For Stained Glass - Options 3, 6, 12, 17 Or 23 Sizes 156409074813485056 The layout block system is very useful when doing a stain glass project that you must keep square. Use with push pins offered, it helps you easily arrange the straight lines and right angle Greatly improve the work efficiency and quality. Attention: Sharp objects contained, keep out of the reach of children. Package Contents: 4 x 12 Thickened aluminum alloy blocks, 4 x 8 Thickened aluminum alloy blocks, 4 x 6 Thickened aluminum alloy blocks, 4 x 3 Thickened aluminum alloy blocks, 80 x Push pins, 1 x Storage box. Perfectly keep the stained glass stable and tight in place while soldering. Material: Premium thickened aluminum alloy L blocks. The layout block system is very useful when doing a stain glass project that you must keep square. Great for both beginners and professionals. Use with push pins offered, it helps you easily arrange the straight lines and right angle, perfectly keep the stained glass stable and tight in place while soldering. Greatly improve the work efficiency and quality. Material This Layout Block System contains 16 aluminum strips in 4 different length, you can flexibly use it for most different sizes of glass work. Stained Glass Tools PATIKIL 4 Pack Layout Block System For Stained Glass Panels 12" 8" 6" 3 Glass Blocks
