Solid Brass. Sharper threads for super tight hold. Lacing will not pull out of needle. Threads in seconds, no hooks to break. Amazing needles that almost never wear out. Regular: 2-3/16" long. Flat point for easier work with chisel slits. For 3/32" (0,2 cm) and 1/8" (0,3 cm) lace. Jumbo: 2-3/16" long. For 1/8" (0,3 cm) to 1/4" (0,6 cm) l...